42202241545 has 4 divisors (see below), whose sum is σ = 50642689860. Its totient is φ = 33761793232.

The previous prime is 42202241509. The next prime is 42202241567. The reversal of 42202241545 is 54514220224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13917392784 + 28284848761 = 117972^2 + 168181^2 .

It is a cyclic number.

It is not a de Polignac number, because 42202241545 - 2²⁹ = 41665370633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220224150 + ... + 4220224159.

It is an arithmetic number, because the mean of its divisors is an integer number (12660672465).

Almost surely, 2^42202241545 is an apocalyptic number.

It is an amenable number.

42202241545 is a deficient number, since it is larger than the sum of its proper divisors (8440448315).

42202241545 is an equidigital number, since it uses as much as digits as its factorization.

42202241545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440448314.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 42202241545 its reverse (54514220224), we get a palindrome (96716461769).

The spelling of 42202241545 in words is "forty-two billion, two hundred two million, two hundred forty-one thousand, five hundred forty-five".